The steel reinforced concrete slab shown in Fig. Q3 below has a 200mm thickness and is supported by 3 concrete beam girders at equal spacing of 9m. The deck is monolithically attached to the girders and has a total length of 20m and a width of 10m. It is reinforced with 15 x q16 steel bars across the length (19m length each bar) and 10 x p16 steel bars across the width (9m each bar). C 9 m Fig. Q3 0 Assuming a nominal concrete unit weight of 25kN/m' and a steel unit weight of 78kN/m, calculate the dead load G in kN. Consider only the deck selfweight and the selfweight of the steel reinforcement. Neglect the concrete beam girders. The concrete deck carries a live load Q of 6kN/m Determine the total design load of the deck for the ultimate (ULS) and serviceability limit states (SLS) in kN (neglect the beam girders). A steel column is 4m long and has a diameter of 0.50m. It is subjected to a compressive force of 20MN. Given that the, elastic modulus of the material is 210GPA, calculate the value of compressive stress (in N/m'), compressive strain and the shortening o in mm of the column. Assume buckling effects may be ignored as the column is considered stocky.
The steel reinforced concrete slab shown in Fig. Q3 below has a 200mm thickness and is supported by 3 concrete beam girders at equal spacing of 9m. The deck is monolithically attached to the girders and has a total length of 20m and a width of 10m. It is reinforced with 15 x q16 steel bars across the length (19m length each bar) and 10 x p16 steel bars across the width (9m each bar). C 9 m Fig. Q3 0 Assuming a nominal concrete unit weight of 25kN/m' and a steel unit weight of 78kN/m, calculate the dead load G in kN. Consider only the deck selfweight and the selfweight of the steel reinforcement. Neglect the concrete beam girders. The concrete deck carries a live load Q of 6kN/m Determine the total design load of the deck for the ultimate (ULS) and serviceability limit states (SLS) in kN (neglect the beam girders). A steel column is 4m long and has a diameter of 0.50m. It is subjected to a compressive force of 20MN. Given that the, elastic modulus of the material is 210GPA, calculate the value of compressive stress (in N/m'), compressive strain and the shortening o in mm of the column. Assume buckling effects may be ignored as the column is considered stocky.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:The steel reinforced concrete slab shown in Fig. Q3 below has a 200mm thickness and is
supported by 3 concrete beam girders at equal spacing of 9m. The deck is monolithically attached
to the girders and has a total length of 20m and a width of 10m. It is reinforced with 15 x q16
steel bars across the length (19m length each bar) and 10 x p16 steel bars across the width (9m
each bar).
3.
9 m
Fig. Q3
(a) Assuming a nominal concrete unit weight of 25kN/m' and a steel unit weight of 78kN/m³,
calculate the dead load G in kN. Consider only the deck selfweight and the selfweight of the
steel reinforcement. Neglect the concrete beam girders.
(b)
The concrete deck carries a live load Q of 6kN/m Determine the total design load of the deck
for the ultimate (ULS) and serviceability limit states (SLS) in kN (neglect the beam girders).
(c)
A steel column is 4m long and has a diameter of 0.50m. It is subjected to a compressive force of
20MN. Given that the, elastic modulus of the material is 210GPA, calculate the value of
compressive stress (in N/m'), compressive strain and the shortening o in mm of the column.
Assume buckling effects may be ignored as the column is considered stocky.
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